Masaaki Suga

This inventor holds 22 USPTO granted patents, primarily in Automatic Transmission Control. Top assignee: Nissan Motor Company Limited. Active years: 1981-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaaki Suga. Retrieved from https://idiyas.com/inventor/masaaki-suga

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 22

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 12

Forward Citations = 376(Granted Patents)

Location History:

Yokosuka, JP (1985)
Yokohama, JP (1981 - 1987)

Company Filing History:

22 out of 13,420

Nissan Motor Company Limited

patents

Years Active: 1981-1987

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Areas of Expertise:

Torque Converter

Clutch Slip

Fuel Injection

Hydraulic Control

Lock-Up Control

Automatic Transmission

Gear Shifting

Engine Brake

Line Pressure

Control System

22 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4640395 - Slip control mechanism for friction clutch in torque converter of (1987-02-03),

2. 4577737 - Lock-up torque converter and method for controlling clutch slip in (1986-03-25),

3. 4573375 - Control system and method for automatic transmission for automotive (1986-03-04),

4. 4560043 - Lockup torque converter having slip control means (1985-12-24),

5. 4539869 - Lock-up control system for lock-up type automatic transmission (1985-09-10),

6. 4539643 - Fuel cut-off control system in fuel injection internal combustion engine (1985-09-03),

7. 4531433 - Hydraulically controlled automatic transmission (1985-07-30),

8. 4509124 - Lock-up control system for lock-up type automatic transmission (1985-04-02),

9. 4503956 - Lock-up control device and method for lock-up type automatic transmission (1985-03-12),

10. 4499979 - Lock-up control system for lock-up torque converter for lock-up type (1985-02-19),

11. 4473882 - Control method of and system for automatic transmission for automotive (1984-09-25),

12. 4471438 - Lock-up type automatic transmission (1984-09-11),

13. 4467673 - Control system for engine of automotive vehicle equipped with lock-up (1984-08-28),

14. 4457410 - Lock-up control system for a lock-up type automatic transmission of an (1984-07-03),

15. 4449618 - Lock-up control system for lock-up type automatic transmission (1984-05-22),

Title: Innovations of Masaaki Suga: Pioneering Patents in Automotive Technology

Introduction

Masaaki Suga, an accomplished inventor based in Yokohama, Japan, has made significant contributions to the automotive industry through his innovative patents. With a remarkable portfolio of 22 patents, his work primarily focuses on enhancing the performance and efficiency of vehicle systems.

Latest Patents

Suga's latest patents showcase his expertise in clutch control mechanisms within torque converters. One such patent details a slip control mechanism that integrates a throttling path with a variable cross-sectional area. This design adjusts according to the output element's displacement in relation to an output shaft, optimizing pressure balance between the disengagement and engagement chambers of a friction clutch. His innovation ensures moderate changes in pressure, effectively controlling slippage and improving overall torque converter functionality. Another recent patent discusses a method for measuring torque transmission through a hydrodynamic drive, allowing for precise adjustments to the clutch slip of a lock-up clutch according to operational demands.

Career Highlights

Suga works at Nissan Motor Company Limited, a leading automotive manufacturer known for its commitment to innovative engineering and technology. Throughout his career, he has focused on enhancing vehicle drivability and performance, contributing to Nissan’s advancements in automotive technology.

Collaborations

Masaaki Suga has collaborated with fellow inventors Hideo Hamada and Yoshiro Morimoto, sharing insights and expertise to further advance their projects within Nissan. Their teamwork exemplifies the collaborative spirit inherent in the pursuit of technological advancements in the automotive sector.

Conclusion

Masaaki Suga stands out as a significant figure in the automotive innovation landscape. With his extensive patent portfolio and impactful inventions, he continues to influence the evolution of vehicle technology, demonstrating the importance of innovation in driving the automotive industry forward. His contributions not only enhance vehicle performance but also exemplify the dedication and creativity of inventors in shaping the future of transportation.

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]